<!DOCTYPE html>
<html lang="cn">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title> js输出-作业</title>
</head>

<body>
    <Script>
        alert("你好 JS");
        document.write('JavaScript 我来了！');
        console.log("它会魔法吧");
    </Script>


</body>

</html>